Automatic pipe bending machine

By designing an automatic pipe bender and utilizing the coordinated work of components such as the fixed cylinder, rotating plate, connecting plate and motor, the problem of bending position deviation of existing pipe bender is solved, and high-precision automatic pipe bending is achieved.

CN223405742UActive Publication Date: 2025-10-03GUILIN UNIVERSITY OF TECHNOLOGY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422730317.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-10-03
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing pipe bending machines are prone to operating errors during the pipe bending process, resulting in deviations in the bending position.

Method used

An automatic pipe bending machine is designed. Through the coordinated work of components such as a fixed cylinder, a rotating plate, a connecting plate, a clamping plate and a motor, precise positioning and bending of the pipe can be achieved, including clamping, limiting and rotational movements, to ensure bending accuracy.

Benefits of technology

It improves the accuracy of pipe bending, reduces manual operation errors, and realizes automated high-precision pipe bending.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223405742U_ABST
    Figure CN223405742U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic pipe bending machine, which belongs to the technical field of machine manufacturing and comprises a machine base, a fixed cylinder is fixedly mounted at the top of the machine base, a vertical shaft is rotatably connected in the fixed cylinder, a fixed wheel is fixedly connected to the top end of the vertical shaft, an arc-shaped positioning bulge is integrally formed on the outer side of the fixed wheel, and the arc-shaped positioning bulge is fixedly connected with the vertical shaft. The device comprises a fixing cylinder, the outer side of the fixing cylinder is rotationally sleeved with a rotating plate, the interior of the rotating plate is rotationally connected with a connecting plate, a fixing mechanism is arranged on the front side of the connecting plate, the interior of the connecting plate is fixedly connected with a circular shaft, the top end of the circular shaft is rotationally connected with a bending wheel, and an annular positioning groove is formed in the outer side of the bending wheel. The fixing mechanism comprises a fixing plate, a baffle and two clamping plates, and the fixing plate is fixedly connected to the front side of the connecting plate. According to the pipeline bending device, the insertion length of the pipeline is limited through the arranged baffle, the pipeline can be fixed in the bending process through the arranged fixing mechanism, and therefore the pipeline bending accuracy is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to an automatic pipe bending machine. Background Art

[0002] With the development of China's economy, the machinery and equipment manufacturing industry has experienced rapid growth. In manufacturing industries such as machinery and equipment, steel pipes often need to be bent before production and processing. Pipe bending machines are a key component in the machinery and equipment manufacturing industry. Existing pipe bending machines typically rely on manual control of the pipe insertion length when bending pipes, which can easily lead to errors in operation and deviations from the actual bending position. Therefore, we propose an automatic pipe bending machine to solve this problem. Utility Model Content

[0003] The purpose of the present utility model is to provide an automatic pipe bending machine to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] An automatic pipe bending machine comprises: a machine base, a fixed cylinder is fixedly installed on the top of the machine base, a vertical shaft is rotatably connected to the interior of the fixed cylinder, a fixed wheel is fixedly connected to the top end of the vertical shaft, an arc-shaped positioning protrusion is integrally formed on the outer side of the fixed wheel, a rotating plate is rotatably sleeved on the outer side of the fixed cylinder, a connecting plate is rotatably connected to the interior of the rotating plate, a fixing mechanism is provided on the front side of the connecting plate, a circular shaft is fixedly connected to the interior of the connecting plate, a bending wheel is rotatably connected to the top end of the circular shaft, and an annular positioning groove is provided on the outer side of the bending wheel;

[0006] The fixing mechanism includes a fixing plate, a baffle and two clamping plates, the fixing plate is fixedly connected to the front side of the connecting plate, the baffle is fixedly connected to the front side of the fixing plate, both sides of the baffle are fixedly connected to side plates, the rear side of the side plate is hinged to two rotating plates, and the rotating plates are hinged to the front sides of the corresponding clamping plates.

[0007] Preferably, a clamping motor is fixedly connected to the rear side of the baffle, a turntable is fixedly connected to the output shaft of the clamping motor, a linkage rod is hinged on the front top and the front bottom of the turntable, the other end of the linkage rod is rotatably connected to a connecting column, and the two connecting columns are respectively fixedly connected to the corresponding turntable.

[0008] Preferably, a cylinder is hinged on the top of the machine base, an output end of the cylinder is fixedly connected to an ear plate, and the ear plate is rotatably sleeved on the outer side of the circular shaft.

[0009] Preferably, a support frame is fixedly installed on the bottom of the machine base, a rotating motor is fixedly installed inside the support frame, and the output shaft of the rotating motor is fixedly connected to the bottom end of the vertical shaft.

[0010] Preferably, the bottom end of the circular shaft is fixedly connected to an arc-shaped plate, the top of the machine base is provided with an arc-shaped hole, the arc-shaped plate is slidably connected in the arc-shaped hole, and the bottom of the arc-shaped plate is fixedly connected to a cylinder.

[0011] Preferably, a limiting mechanism is provided at the bottom of the machine base, and the limiting mechanism includes an electric push rod, a mounting plate and a limiting plate. The mounting plate is fixedly mounted on the bottom of the machine base, and the electric push rod is fixedly mounted on one side of the mounting plate. The limiting plate is fixedly connected to the output end of the electric push rod, and a guide rod is fixedly connected to one side of the limiting plate, and the mounting plate is slidably sleeved on the outside of the guide rod.

[0012] Preferably, a plurality of brackets are fixedly connected to the top rear side of the base.

[0013] In the present invention, an automatic pipe bending machine is described, which places a pipe on a bracket and then pushes the pipe forward so that the pipe passes between the fixed wheel and the bending wheel and then abuts against the rear side of the baffle. Then, the clamping motor is started to drive the turntable to rotate. The turntable drives the turntable to rotate through the cooperation of two linkage rods and corresponding connecting columns, thereby driving the two clamping plates to approach each other, so that the clamping plates abut against the outer side of the pipe to achieve fixation.

[0014] In the utility model, the automatic pipe bending machine is characterized in that the electric push rod is started to drive the limit plate to move, so that the position of the limit plate is adjusted according to the required bending angle, and then the cylinder is started to drive the connecting plate to rotate, and the connecting plate drives the bending wheel and the clamping plate to perform circular motion around the fixed cylinder, thereby cooperating with the fixed wheel to bend the pipe, and at the same time drives the arc plate and the cylinder to perform circular motion. When the cylinder abuts against the limit plate, the bending is completed, and then the rotating motor is started to drive the vertical shaft and the fixed wheel to rotate, so that the arc-shaped positioning protrusion on the outer side of the fixed wheel is out of contact with the pipe, and then the clamping motor is started to drive the turntable to rotate in the opposite direction, thereby driving the two clamping plates to move in the opposite direction, releasing the clamping of the pipe, so as to facilitate the removal of the bent pipe;

[0015] The utility model has a reasonable structural design. The insertion length of the pipeline is limited by the provided baffle, and the pipeline can be fixed during the bending process by the provided fixing mechanism, thereby improving the bending accuracy of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an automatic pipe bending machine proposed by the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the local structure;

[0018] Figure 3 This is a schematic cross-sectional view of an automatic pipe bending machine proposed in the present invention;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of an automatic pipe bending machine proposed by the utility model from another perspective;

[0020] Figure 5 for Figure 4 Schematic diagram of the local structure.

[0021] In the figure: 1. Machine base; 101. Support frame; 102. Fixed cylinder; 2. Vertical axis; 201. Fixed wheel; 202. Rotating motor; 3. Circular axis; 301. Bending wheel; 302. Ear plate; 303. Cylinder; 304. Arc plate; 305. Cylinder; 4. Connecting plate; 5. Fixed plate; 501. Baffle; 502. Side plate; 6. Clamping plate; 601. Turntable; 602. Connecting column; 603. Linkage rod; 604. Turntable; 605. Clamping motor; 7. Mounting plate; 701. Electric push rod; 702. Limiting plate; 703. Guide rod; 8. Bracket. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Reference Figure 1-5 , an automatic pipe bending machine, comprising: a machine base 1, a fixed cylinder 102 is fixedly installed on the top of the machine base 1, the interior of the fixed cylinder 102 is rotatably connected to a vertical shaft 2, the top of the vertical shaft 2 is fixedly connected to a fixed wheel 201, the outer side of the fixed wheel 201 is integrally formed with an arc-shaped positioning protrusion, the outer side of the fixed cylinder 102 is rotatably sleeved with a rotating plate 601, the interior of the rotating plate 601 is rotatably connected to a connecting plate 4, a fixing mechanism is provided on the front side of the connecting plate 4, the interior of the connecting plate 4 is fixedly connected to a circular shaft 3, the top of the circular shaft 3 is rotatably connected to a bending wheel 301, and an annular positioning groove is provided on the outer side of the bending wheel 301;

[0024] The fixing mechanism includes a fixing plate 5, a baffle 501 and two clamping plates 6. The fixing plate 5 is fixedly connected to the front side of the connecting plate 4. The baffle 501 is fixedly connected to the front side of the fixing plate 5. Both sides of the baffle 501 are fixedly connected to side plates 502. The rear side of the side plate 502 is hinged to two rotating plates 601. The rotating plates 601 are hinged to the front sides of the corresponding clamping plates 6.

[0025] In this embodiment, a clamping motor 605 is fixedly connected to the rear side of the baffle 501, and a turntable 604 is fixedly connected to the output shaft of the clamping motor 605. The front top and the front bottom of the turntable 604 are hinged with a linkage rod 603, and the other end of the linkage rod 603 is rotatably connected to a connecting column 602. The two connecting columns 602 are respectively fixedly connected to the corresponding turntable 601.

[0026] In this embodiment, a cylinder 303 is hinged on the top of the base 1, and an ear plate 302 is fixedly connected to the output end of the cylinder 303. The ear plate 302 is rotatably sleeved on the outer side of the circular shaft 3 to facilitate the rotation of the connecting plate 4.

[0027] In this embodiment, a support frame 101 is fixedly installed at the bottom of the base 1, and a rotating motor 202 is fixedly installed inside the support frame 101. The output shaft of the rotating motor 202 is fixedly connected to the bottom end of the vertical shaft 2, thereby driving the vertical shaft 2 to rotate.

[0028] In this embodiment, the bottom end of the circular shaft 3 is fixedly connected to an arc plate 304, and an arc hole is opened on the top of the machine base 1. The arc plate 304 is slidably connected in the arc hole to guide the arc plate 304, and the bottom of the arc plate 304 is fixedly connected to a cylinder 305.

[0029] In this embodiment, a limiting mechanism is provided at the bottom of the machine base 1, and the limiting mechanism includes an electric push rod 701, a mounting plate 7 and a limiting plate 702. The mounting plate 7 is fixedly installed at the bottom of the machine base 1, and the electric push rod 701 is fixedly installed on one side of the mounting plate 7. The limiting plate 702 is fixedly connected to the output end of the electric push rod 701, and a guide rod 703 is fixedly connected to one side of the limiting plate 702. The mounting plate 7 is slidably sleeved on the outer side of the guide rod 703, and the cylinder 305 is limited by the provided limiting mechanism.

[0030] In this embodiment, a plurality of brackets 8 are fixedly connected to the top rear side of the base 1 .

[0031] In this embodiment, when in use, the pipe is placed on the bracket 8 and then pushed forward to make the pipe pass between the fixed wheel 201 and the bending wheel 301, and then abut against the rear side of the baffle 501. Then, the clamping motor 605 is started to drive the turntable 604 to rotate. The rotating disk drives the rotating plate 601 to rotate through the cooperation of the two linkage rods 603 and the corresponding connecting columns 602, thereby driving the two clamping plates 6 to approach each other, so that the clamping plates 6 abut against the outside of the pipe to achieve fixation. The electric push rod 701 is started to drive the limit plate 702 to move, so as to adjust the position of the limit plate 702 according to the required bending angle, and then the cylinder 303 is started to drive The movable connecting plate 4 rotates, and the connecting plate 4 drives the bending wheel 301 and the clamping plate 6 to perform circular motion around the fixed cylinder 102, thereby cooperating with the fixed wheel 201 to bend the pipe, and at the same time drives the arc plate 304 and the cylinder 305 to perform circular motion. When the cylinder 305 abuts against the limit plate 702, the bending is completed, and then the rotating motor 202 is started to drive the vertical shaft 2 and the fixed wheel 201 to rotate, so that the arc-shaped positioning protrusion on the outside of the fixed wheel 201 is out of contact with the pipe, and then the clamping motor 605 is started to drive the turntable 604 to rotate in the opposite direction, thereby driving the two clamping plates 6 to move in the opposite direction, releasing the clamping of the pipe, so as to facilitate the removal of the bent pipe.

[0032] The above is a detailed introduction to the automatic pipe bending machine provided by the present invention. This article uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. An automatic pipe bending machine, characterized in that: include: A machine base (1), wherein a fixing cylinder (102) is fixedly installed on the top of the machine base (1), the interior of the fixing cylinder (102) is rotatably connected to a vertical shaft (2), the top end of the vertical shaft (2) is fixedly connected to a fixing wheel (201), the outer side of the fixing wheel (201) is integrally formed with an arc-shaped positioning protrusion, the outer side of the fixing cylinder (102) is rotatably sleeved with a rotating plate (601), the interior of the rotating plate (601) is rotatably connected to a connecting plate (4), a fixing mechanism is provided on the front side of the connecting plate (4), the interior of the connecting plate (4) is fixedly connected to a circular shaft (3), the top end of the circular shaft (3) is rotatably connected to a bending wheel (301), and an annular positioning groove is provided on the outer side of the bending wheel (301); The fixing mechanism comprises a fixing plate (5), a baffle (501) and two clamping plates (6); the fixing plate (5) is fixedly connected to the front side of the connecting plate (4); the baffle (501) is fixedly connected to the front side of the fixing plate (5); both sides of the baffle (501) are fixedly connected to side plates (502); the rear sides of the side plates (502) are hinged to two rotating plates (601); and the rotating plates (601) are hinged to the front sides of the corresponding clamping plates (6).

2. The automatic pipe bending machine according to claim 1, characterized in that: The rear side of the baffle (501) is fixedly connected to a clamping motor (605), the output shaft of the clamping motor (605) is fixedly connected to a turntable (604), the front top and the front bottom of the turntable (604) are both hinged with linkage rods (603), the other end of the linkage rod (603) is rotatably connected to a connecting column (602), and the two connecting columns (602) are respectively fixedly connected to the corresponding rotating plate (601).

3. The automatic pipe bending machine according to claim 1, characterized in that: A cylinder (303) is hinged on the top of the machine base (1), and an ear plate (302) is fixedly connected to the output end of the cylinder (303), and the ear plate (302) is rotatably sleeved on the outer side of the circular shaft (3).

4. The automatic pipe bending machine according to claim 1, characterized in that: A support frame (101) is fixedly mounted on the bottom of the machine base (1), a rotating motor (202) is fixedly mounted inside the support frame (101), and an output shaft of the rotating motor (202) is fixedly connected to the bottom end of the vertical shaft (2).

5. The automatic pipe bending machine according to claim 1, characterized in that: The bottom end of the circular shaft (3) is fixedly connected to an arc-shaped plate (304), the top of the machine base (1) is provided with an arc-shaped hole, the arc-shaped plate (304) is slidably connected in the arc-shaped hole, and the bottom of the arc-shaped plate (304) is fixedly connected to a cylinder (305).

6. The automatic pipe bending machine according to claim 1, characterized in that: A limiting mechanism is provided at the bottom of the machine base (1), the limiting mechanism comprising an electric push rod (701), a mounting plate (7) and a limiting plate (702), the mounting plate (7) being fixedly mounted on the bottom of the machine base (1), and the electric push rod (701) being fixedly mounted on one side of the mounting plate (7), the limiting plate (702) being fixedly connected to the output end of the electric push rod (701), and a guide rod (703) being fixedly connected to one side of the limiting plate (702), and the mounting plate (7) being slidably sleeved on the outer side of the guide rod (703).

7. The automatic pipe bending machine according to claim 1, characterized in that: A plurality of brackets (8) are fixedly connected to the top rear side of the machine base (1).